<%= form_tag({ :action => "search" }, :method => "get") do %>
<fieldset>
<legend>Buscar</legend>
<div class="form_row">
<label for="q">Coincidencia</label>
<%= text_field_tag "q", params[:q] %>
<input type="submit" value="Consultar" />
</div>
</fieldset>
<% end %>